hi i had problem with nam under cyqwin/x and now i install linux ubuntu 8.10 then try to install ns2.33and2.30 when i run ns installation with ../install after 5 mins i see this error : make:***[tk3d.o] error1 tk8.4..13 make failed! exiting... after that i follow this link : http://nsnam.isi.edu/nsnam/index.php/Installing_ns2.31_on_Ubuntu7.04 but when i try to edit sources.list i see this error : you do not permission to save this file. whats my problem and solution? thanks mr.ali.balador homepage:www.balador.org
